top of page

Ana Gerdau de Borja Mercereau provides services with professionalism and integrity, designing solutions across different legal systems and cultures.


Building on her significant previous experience, Ana Gerdau de Borja Mercereau provides efficient solutions to her clients, private and mixed-capital companies, States and State entities, law firms, independent attorneys, arbitrators, mediators and experts.

  • Driving strategy, defining and drafting briefs and documents for submission to arbitrators, arbitral tribunals, mediators, and members.

  • Assisting (technically and managerially) in the prevention and resolution of international disputes by arbitration, mediation,    dispute board, or State court litigation.

  • Acting in commercial and investment arbitration or mediation as arbitrator, mediator/co-mediator.

  • Assisting arbitrators and arbitral tribunals as tribunal secretary in organisational and logistic matters.

  • Acting as counsel in State-court litigation in Brazil and in Portugal.

  • Drafting legal opinions about procedural and substantive questions in arbitration, mediation, or dispute board, and about questions on the international sale of goods and international contracts, private international law (jurisdiction and applicable law), public international law (treaties on investment, environmental protection, corporate social responsibility, State’s and State entities’ immunity from jurisdiction and from execution).

  • Acting in foreign investment structuring and restructuring to increase protection by investment treaties, or to propose solutions for assets.

  • Assisting in foreign investment and in setting-up companies.

  • Drafting and reviewing international contracts.

  • Drafting conference talks and courses on commercial or investment arbitration and mediation, dispute board, international sale of goods and other international contracts, private and public international law.


Ana is a member of the Portuguese Bar Association and of the Brazilian Bar Association (São Paulo chapter).

bottom of page